1// SPDX-License-Identifier: GPL-2.0-only
2/* DVB USB framework compliant Linux driver for the HanfTek UMT-010 USB2.0
3 * DVB-T receiver.
4 *
5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
6 *
7 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
8 */
9#include "dibusb.h"
10
11#include "mt352.h"
12
13DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
14
15static int umt_mt352_demod_init(struct dvb_frontend *fe)
16{
17	static u8 mt352_clock_config[] = { 0x89, 0xb8, 0x2d };
18	static u8 mt352_reset[] = { 0x50, 0x80 };
19	static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 };
20	static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
21	static u8 mt352_agc_cfg[] = { 0x67, 0x10, 0xa0 };
22
23	static u8 mt352_sec_agc_cfg1[] = { 0x6a, 0xff };
24	static u8 mt352_sec_agc_cfg2[] = { 0x6d, 0xff };
25	static u8 mt352_sec_agc_cfg3[] = { 0x70, 0x40 };
26	static u8 mt352_sec_agc_cfg4[] = { 0x7b, 0x03 };
27	static u8 mt352_sec_agc_cfg5[] = { 0x7d, 0x0f };
28
29	static u8 mt352_acq_ctl[] = { 0x53, 0x50 };
30	static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x06 };
31
32	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
33	udelay(2000);
34	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
35	mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio));
36
37	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
38	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
39
40	mt352_write(fe, mt352_sec_agc_cfg1, sizeof(mt352_sec_agc_cfg1));
41	mt352_write(fe, mt352_sec_agc_cfg2, sizeof(mt352_sec_agc_cfg2));
42	mt352_write(fe, mt352_sec_agc_cfg3, sizeof(mt352_sec_agc_cfg3));
43	mt352_write(fe, mt352_sec_agc_cfg4, sizeof(mt352_sec_agc_cfg4));
44	mt352_write(fe, mt352_sec_agc_cfg5, sizeof(mt352_sec_agc_cfg5));
45
46	mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl));
47	mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1));
48
49	return 0;
50}
51
52static int umt_mt352_frontend_attach(struct dvb_usb_adapter *adap)
53{
54	struct mt352_config umt_config;
55
56	memset(&umt_config,0,sizeof(struct mt352_config));
57	umt_config.demod_init = umt_mt352_demod_init;
58	umt_config.demod_address = 0xf;
59
60	adap->fe_adap[0].fe = dvb_attach(mt352_attach, &umt_config, &adap->dev->i2c_adap);
61
62	return 0;
63}
64
65static int umt_tuner_attach (struct dvb_usb_adapter *adap)
66{
67	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x61, NULL, DVB_PLL_TUA6034);
68	return 0;
69}
70
71/* USB Driver stuff */
72static struct dvb_usb_device_properties umt_properties;
73
74static int umt_probe(struct usb_interface *intf,
75		const struct usb_device_id *id)
76{
77	if (0 == dvb_usb_device_init(intf, &umt_properties,
78				     THIS_MODULE, NULL, adapter_nr))
79		return 0;
80	return -EINVAL;
81}
82
83/* do not change the order of the ID table */
84enum {
85	HANFTEK_UMT_010_COLD,
86	HANFTEK_UMT_010_WARM,
87};
88
89static struct usb_device_id umt_table[] = {
90	DVB_USB_DEV(HANFTEK, HANFTEK_UMT_010_COLD),
91	DVB_USB_DEV(HANFTEK, HANFTEK_UMT_010_WARM),
92	{ }
93};
94
95MODULE_DEVICE_TABLE (usb, umt_table);
96
97static struct dvb_usb_device_properties umt_properties = {
98	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
99
100	.usb_ctrl = CYPRESS_FX2,
101	.firmware = "dvb-usb-umt-010-02.fw",
102
103	.num_adapters = 1,
104	.adapter = {
105		{
106		.num_frontends = 1,
107		.fe = {{
108			.streaming_ctrl   = dibusb2_0_streaming_ctrl,
109			.frontend_attach  = umt_mt352_frontend_attach,
110			.tuner_attach     = umt_tuner_attach,
111
112			/* parameter for the MPEG2-data transfer */
113			.stream = {
114				.type = USB_BULK,
115				.count = MAX_NO_URBS_FOR_DATA_STREAM,
116				.endpoint = 0x06,
117				.u = {
118					.bulk = {
119						.buffersize = 512,
120					}
121				}
122			},
123		}},
124			.size_of_priv     = sizeof(struct dibusb_state),
125		}
126	},
127	.power_ctrl       = dibusb_power_ctrl,
128
129	.i2c_algo         = &dibusb_i2c_algo,
130
131	.generic_bulk_ctrl_endpoint = 0x01,
132
133	.num_device_descs = 1,
134	.devices = {
135		{	"Hanftek UMT-010 DVB-T USB2.0",
136			{ &umt_table[HANFTEK_UMT_010_COLD], NULL },
137			{ &umt_table[HANFTEK_UMT_010_WARM], NULL },
138		},
139	}
140};
141
142static struct usb_driver umt_driver = {
143	.name		= "dvb_usb_umt_010",
144	.probe		= umt_probe,
145	.disconnect = dvb_usb_device_exit,
146	.id_table	= umt_table,
147};
148
149module_usb_driver(umt_driver);
150
151MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
152MODULE_DESCRIPTION("Driver for HanfTek UMT 010 USB2.0 DVB-T device");
153MODULE_VERSION("1.0");
154MODULE_LICENSE("GPL");
155